Genetic factors account for much of the variation in personality traits across the lifespan. Shared upbringing plays a ...

How does a neuroscientific biological perspective explain behavior? originally appeared on Quora: the place to gain and share knowledge, empowering people to learn from others and better understand ...

Tiny genetic variations between humans, Neanderthals and Denisovans might not be all they were cracked up to be.

Because same-sex sexual behavior does not result in offspring, evolutionary biologists have long wondered how the genes associated with this behavior have persisted in the human genome, and whether ...

While hoarding behavior has traditionally been understood through psychological and environmental lenses, recent research suggests that epigenetics may play a significant role in the development and ...

A 2025 study, published in Molecular Psychiatry, found that variations in two genes are linked to cannabis use behaviors and the likelihood of developing cannabis use disorder. These genetic factors ...